Home / 670,582.69-1,005,775.62-221,318.22

Finding the Fourth Proportional to 670,582.69, 1,005,775.62 and 221,318.22

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Solution

The fourth proportional to 670,582.69, 1,005,775.62 and 221,318.22 is: 331,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,582.69 : 1,005,775.62 = 221,318.22 : x
  2. Step 2: Convert to fraction form
    670,582.69/1,005,775.62 = 221,318.22/x
  3. Step 3: Cross multiply
    670,582.69x = 1,005,775.62 × 221,318.22
  4. Step 4: Simplify right side
    670,582.69x = 222,596,469,937.80
  5. Step 5: Solve for x
    x = 222,596,469,937.80/670,582.69
  6. Step 6: Final answer
    x = 331,944.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.